DE3881111D1 - CORRELATOR WITH OPTICAL FIBER. - Google Patents
CORRELATOR WITH OPTICAL FIBER.Info
- Publication number
- DE3881111D1 DE3881111D1 DE8888401726T DE3881111T DE3881111D1 DE 3881111 D1 DE3881111 D1 DE 3881111D1 DE 8888401726 T DE8888401726 T DE 8888401726T DE 3881111 T DE3881111 T DE 3881111T DE 3881111 D1 DE3881111 D1 DE 3881111D1
- Authority
- DE
- Germany
- Prior art keywords
- correlator
- optical fiber
- fiber
- optical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000013307 optical fiber Substances 0.000 title 1
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/26—Optical coupling means
- G02B6/28—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals
- G02B6/2804—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers
- G02B6/2861—Optical coupling means having data bus means, i.e. plural waveguides interconnected and providing an inherently bidirectional system by mixing and splitting signals forming multipart couplers without wavelength selective elements, e.g. "T" couplers, star couplers using fibre optic delay lines and optical elements associated with them, e.g. for use in signal processing, e.g. filtering
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06E—OPTICAL COMPUTING DEVICES; COMPUTING DEVICES USING OTHER RADIATIONS WITH SIMILAR PROPERTIES
- G06E3/00—Devices not provided for in group G06E1/00, e.g. for processing analogue or hybrid data
- G06E3/001—Analogue devices in which mathematical operations are carried out with the aid of optical or electro-optical elements
- G06E3/005—Analogue devices in which mathematical operations are carried out with the aid of optical or electro-optical elements using electro-optical or opto-electronic means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Signal Processing (AREA)
- Mathematical Physics (AREA)
- Nonlinear Science (AREA)
- Optical Radar Systems And Details Thereof (AREA)
- Lasers (AREA)
- Optical Modulation, Optical Deflection, Nonlinear Optics, Optical Demodulation, Optical Logic Elements (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8710120A FR2618278B1 (en) | 1987-07-17 | 1987-07-17 | OPTICAL FIBER CORRELATOR. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3881111D1 true DE3881111D1 (en) | 1993-06-24 |
DE3881111T2 DE3881111T2 (en) | 1993-09-02 |
Family
ID=9353252
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8888401726T Expired - Fee Related DE3881111T2 (en) | 1987-07-17 | 1988-07-04 | CORRELATOR WITH OPTICAL FIBER. |
Country Status (4)
Country | Link |
---|---|
US (1) | US4927223A (en) |
EP (1) | EP0299840B1 (en) |
DE (1) | DE3881111T2 (en) |
FR (1) | FR2618278B1 (en) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0432544A3 (en) * | 1989-12-12 | 1992-04-08 | Messerschmitt-Boelkow-Blohm Gmbh | Optronic correlator |
US4991926A (en) * | 1990-04-06 | 1991-02-12 | Litton Systems, Inc. | Integrated optics decorrelator |
FR2681953B1 (en) * | 1991-10-01 | 1993-11-05 | Thomson Csf | FREQUENCY CORRELATOR. |
SE514675C2 (en) * | 1993-08-13 | 2001-04-02 | Ericsson Telefon Ab L M | Optical coupler or modulator and laser including a waveguide |
FR2784185B1 (en) | 1998-10-06 | 2001-02-02 | Thomson Csf | DEVICE FOR THE HARMONIZATION BETWEEN A LASER EMISSION CHANNEL AND A PASSIVE OBSERVATION CHANNEL |
FR2814281B1 (en) * | 2000-09-19 | 2003-08-29 | Thomson Lcd | ACTIVE TFT MATRIX FOR OPTICAL SENSOR COMPRISING A PHOTOSENSITIVE SEMICONDUCTOR LAYER, AND OPTICAL SENSOR COMPRISING SUCH A MATRIX |
FR2825463B1 (en) * | 2001-05-30 | 2003-09-12 | Thales Sa | SOLID STATE LASER GYROMETER COMPRISING A RESONATOR BLOCK |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4775214A (en) * | 1983-12-21 | 1988-10-04 | Rosemount Inc. | Wavelength coded resonant optical sensor |
EP0234280A1 (en) * | 1986-01-31 | 1987-09-02 | Siemens Aktiengesellschaft | Communication system light switch having three light connections |
US4824199A (en) * | 1987-02-13 | 1989-04-25 | Raychem Corp. | Optical fiber tap utilizing reflector |
-
1987
- 1987-07-17 FR FR8710120A patent/FR2618278B1/en not_active Expired
-
1988
- 1988-07-04 DE DE8888401726T patent/DE3881111T2/en not_active Expired - Fee Related
- 1988-07-04 EP EP88401726A patent/EP0299840B1/en not_active Expired - Lifetime
- 1988-07-14 US US07/218,861 patent/US4927223A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US4927223A (en) | 1990-05-22 |
FR2618278B1 (en) | 1989-12-01 |
FR2618278A1 (en) | 1989-01-20 |
EP0299840B1 (en) | 1993-05-19 |
DE3881111T2 (en) | 1993-09-02 |
EP0299840A1 (en) | 1989-01-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |